1111 Sequence Detector Mealy Machine (Overlapping) | State Diagram & Verilog Code in Telugu

Namaste! In this tutorial, I explained the complete design process of a 1111 Sequence Detector using a Mealy Finite State Machine (FSM). We specifically focused on Overlapping logic, which is a common requirement in digital logic design and VLSI interviews.
What is covered in this video:
Logic Explanation: Why we need 4 states (S_0, S_1, S_2, S_3) for a 4-bit sequence.
State Diagram: Step-by-step drawing of the Mealy state transitions for a 1111 pattern.
Overlapping vs. Non-Overlapping: Why the machine returns to S_3 instead of S_0 after a successful detection.
Verilog HDL Code: Writing the module using always @(posedge clk), case statements, and the ternary operator (? :) for the Mealy output logic.
Technical Highlights:
Machine Type: Mealy (Output depends on both Current State and Input).
Sequence: 1111 (Binary).
Logic Style: Overlapping.
Language: Telugu (తెలుగు).

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